Turbine 3.5 MW. enovation for efficiency.

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1 Turbine 3.5 MW enovation for efficiency

2 eno 126 enovation for efficiency Leading Edge The optimized aerodynamic rotor and advanced carbon fibre technology of the eno 126 are the reasons of the high-level in point of economic efficiency and charge reduction. Special innovated detailed solutions, combined with robust engine construction make the eno 126 a solid investment in the new generation of wind turbines over the long-term. With a large rotor span and a coated area of 12,500 m 2 ² it is ideal for low wind sites. The result: with 3,500 kilowatts rated power, combined with an increased turbulence classification, make the eno 126 one of the most efficient solutions within a wind farm.

3 eno 126 enovation for efficiency Advanced technology for highest creation of value Optimised area yield Thanks to the eno up.site principle, the eno 126 sets new standards in terms of power plant efficiency. The carbon fibre blade, optimized for load reduction and wind farm operation, combined with the turbulence-resistant design of support structure and drivetrain components, allows for significantly smaller distances between wind turbines and can reduce sectoral shutdowns. The result is maximum usage of the windfarm and the highest yield level at less windy sites. High availability The eno live.train concept guarantees maximum reliability and durability for all drive train 97% components of the eno 126: The maximum protection for the gearbox is provided by a four-point bearing of the rotor, a hydraulic gearbox suspension without reactive forces, an active drive train damping, a full-power converter as well as a temperature and power controlled oil supply system. Excellent grid characteristics With its well proven combination of a brushless synchronous generator and a full-power converter the eno 126 handles grid faults smoothly and reliably. The wide reactive-power range underlines the excellent grid compatibility of the turbine regarding flicker and harmonics with out a need of any additional filters or compensation systems. With these characteristics the eno 126 can easily meet all standard grid connection requirements. Complete service Undisturbed operation, high productivity and reliable yields: To ensure these benefits are sustainable, eno energy offers a comprehensive service and after-sales programme. The flexible fullmaintenance concept - eno complete. care - provides a permanent super-vision of the machines, including condition monitoring. Highly qualified on-site service technicians ensure smooth and troublefree operation of the wind farm. In this way the operating costs can be calculated for long term. Thus, the availability is guaranteed at a high level.

4 eno pitch.control Safety meets efficiency eno live.train Life insurance for the gearbox eno split.drive Role model for grid integration State-of-the-art AC drive technology meets safety level of traditional DC systems. The redundant converter topology ensures the optimum pitch of the rotor blades at all times according to the latest safety guidelines. The maximum protection for the gearbox is provided by a four-point bearing of the rotor, a hydraulic gearbox suspension without reactive forces, an active drive train damping, a full-power converter as well as a temperature and power controlled oil supply system. The multiphase generator, the modular converter system and the systematic redundancy guarantee optimal grid support with maximum availability from the generator winding to the converter. eno blade Efficiency redefined The pioneering rotor blade design minimises loads and maximises the turbulence resistance to achieve an extraordinarily high efficiency and maximum profit of the wind farm. eno ops.control Optimisation at a click The solution of an integrated control system based on an open, web-based SCADA connection controls all process sequences - from operational management via pitch control to wind farm networking - and enables reliable self-optimisation.

5 Technical Data eno up.site - optimised efficiency for wind farms Technical specifications eno MW General Type eno 126 Rated Power 3,500 kw Cut-in wind speed 3 m/s Rated wind speed 12,5 m/s Cut-out wind speed 25 m/s Tilt angle 5 Rotor Diameter 126 m Nominal speed range rpm Swept area 12,468 m² Rotor blade Manufacturer Material Length Gears eno energy GRP / CFRP 61.6 m Model Planetary-/spur gearing Gear ratio approx. 1:119 Generator Type Design Tower (hub height) Converter Type Model Synchronous generator slip ringless / brushless excitation 117 m, 137 m Full power converter Modular IGBT inverter topology Power curve eno 126 4,000 3,500 3,000 2,500 2,000 1,500 1, P (kw) v (m/ s) Estimated annual energy yield vw, hub height eno m/s 9,467 MWh/a 6.5 m/s 10,991 MWh/a 7.0 m/s 12,440 MWh/a 7.5 m/s 13,797 MWh/a 8.0 m/s 15,050 MWh/a 8.5 m/s 16,194 MWh/a Evaluation of reference yield according to FGW TR 5 Hub height Reference yield in kwh 117 m m Sound power level calculated (Mode 0) db(a) Wind class Wind class according to IEC IEC Ills 2 Wind zone according to DIBt WZ III, GK 2 1 noise-reduced operation modes available on request 2 Advanced turbulence classification for more compact wind farm layout

6 Efficient wind farms. For a clean future. It is our goal to make wind energy more efficient. Economic success of renewable energies and growing importance of climate protection go hand in hand. eno energy has already planned and installed a large number Contact: sales@eno-energy.com of wind farms all over Europe. With this experience we designed the 2 and 3.5 MW platform to achieve maximum output out of the wind farm. Therefore we offer the most efficient solution for each location. Issued: 01/2017 Subject to technical modifications. eno MW IEC lla eno MW IEC lila eno 100 eno MW IEC IIIa 3.5 MW IEC lls eno MW IEC llis Photos: made by WERK3.de eno energy systems GmbH Am Strande 2 e Rostock. Germany phone: +49 (0) fax: +49 (0) mail: sales@eno-energy.com